Can you find out the missing number in the grid?

What is the next number in this series?

4,12,84,3612....

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

My first is in chocolate but not in ham. My second is in cake and also in jam. My third at tea time is easily found. Altogether, this is a friend who is often around. What is it?

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?

If two's company, and three's a crowd, then whats four and five ?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Can you solve the below geography rebus by decoding the below rebus ?